MCM Electronics

Dual Compressor Limiter GateMCM Part #: 555-20635  |  DBX Professional Part #: 1066

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Compressor / Limiter / Gate

Want to instantly add classic dbx response to your mix? It's there at the touch of the "Auto" button. Or use the Attack and Release controls to tailor the 1066 to your specific needs. Mic bleed in the signal path? Frequency dependent gain control is a snap to set up with the Side Chain External button. Use the Side Chain Monitor button to dial in the specific frequencies you want to trigger the device. The contour switch allows mixes to be easily smoothed with soft compression.

Product Description

    Features
  • Selectable auto (classic dbx) or manual (variable Attack and Release) compression
  • Contour switch removes unwanted low frequency information from detector circuit
  • Selectable Overeasy or Hard Knee compression modes
  • PeakStopPlus limiting for setting maximum allowable level with minimal distortion
  • SC Ext and SC Mon for setting up and monitoring external devices for gating function
  • True differentially balanced gold-plated XLR and 1/4" inputs and outputs
  • True RMS level detection
  • Precision metering of input level, output level, and gain reduction
  • True stereo or dual mono operation
  • Switchable +4dBu or -10dBV operation per channel
Specifications
Input Connectors XLR and 1/4" TRS (Pin 2 and tip hot)
Input Type Electronically balanced/unbalanced, RF filtered
Input Impedance Balanced > 50 kOhm, unbalanced >25 kOhm
Max Input > +24 dBu balanced or unbalanced
CMRR Typically >50 dB at 1 kHz
Output Connectors XLR and 1/4" TRS (Pin 2 and tip hot)
Output Type Servo-balanced/unbalanced, RF filtered
Output Impedance Balanced 120 Ohm, unbalanced 60 Ohm
Max Output > +21 dBm balanced, > +20 dBm unbalanced
Sidechain Input Connector 1/4" Unbalanced (Tip-Sleeve)
Sidechain Input Type Unbalanced, RF filtered
Sidechain Impedance >10 kOhm
Sidechain Max Input Level >+24 dBu
Sidechain Output Connector 1/4" Balanced TRS (tip hot)
Sidechain Output Type Impedance balanced, RF filtered
Sidechain Output Impedance Balanced 2 kOhm, unbalanced 1 kOhm
Sidechain Max Output Level >+21 dBu balanced or unbalanced
Bandwidth 20 Hz to 20 kHz, +0/0.5 dB
Frequency Response 0.35 Hz to 90 kHz, +0/-3 dB
Noise < -95 dBu, unweighted, 22 kHz measurement bandwidth
Dynamic Range > 118dB, unweighted
THD+Noise 0.008% typical at +4 dBu (1 kHz unity gain), 0.08% typical at +20 dBu (1 kHz unity gain), < 0.1% any amount of compression up to 40 dB, 1 kHz
IMD < 0.1% SMPTE
Interchannel Crosstalk < -80 dB 20Hz to 20 kHz
Stereo Coupling True RMS Power Summing
Compressor Threshold Range -40 dBu to +20 dBu
Compressor Ratio 1:1 to infinity:1
Compressor Threshold Characteristic Selectable OverEasy or hard knee
Compressor Attack/Release Characteristic AutoDynamic
Compressor Attack/Release Modes Selectable Manual or Auto
Compressor Manual Attack Time Scalable program-dependent
Compressor Manual Release Time Scalable program-dependent
Compressor Auto Attack Time Program-dependent
Compressor Auto Release Time Program-dependent
Compressor Output Gain -20 to +20 dB
Limiter Threshold Range +4 dBu to +24 dBu (off)
Limiter Ratio infinity:1
Limiter Type PeakStopPlus two-stage limiter
Limiter Stage 1 PeakStop brickwall limiter
Limiter Stage 1 Attack Time Zero
Limiter Stage 1 Release Time Zero
Limiter Stage 2 Predictive intelligent program limiter
Limiter Stage 2 Attack Time Program-dependent
Limiter Stage 2 Release Time Program-dependent
Expander/Gate Threshold Range Off to +15dBu
Expander/Gate Ratio 1:1 to 30:1
Expander/Gate Attack Time < 100 µsec
Expander/Gate Release Time Program-dependent
SC Ext. Switch Routes the external sidechain input signal to the detector
SC Mon. Switch Routes the sidechain signal to the output, interrupting the normal audio
OverEasy Switch Activates the OverEasy compression function
Countour Switch Activates the frequency-dependent detector function
Auto Switch Activates automatic program-dependent attack and release times, disabling the manual Attack and Release controls
I/O Meter Switch Switches between monitoring input and output levels on the Input/Output Level meter
Bypass Switch Activates the direct input-to-output hard-wire relay bypass. Relay automatically hard-wire bypasses unit at power-down and provides a power-on delay of 1.5 sec.
Operating Level Switch (rear panel) Switches the nominal operating level between -10 dBV and +4 dBu simultaneoulsy for both input and output levels
ST Link Switch Link both channels for stereo operation. Channel One becomes the master
Gain Reduction Meter 12-segment LED bar graph at 1, 2, 4, 6, 9, 12, 15, 18, 21, 24, 27 and 30 dB
I/O Meter 8-segment LED bar graph at -24, -18, -12, -6, 0, +6, +12, and +18 dBu
Compressor Threshold Meter 3-segment LED bar graph at Below (-), OverEasy and Above (+)
Expander/Gate Threshold Meter 2-segment LED bar graph at Below (-) and Above (+)
Limiter Threshold Meter 1 LED to indicate PeakStopPlus™ limiting
Function Switches LED indicator for each front-panel switch
Output Transformer Options Jensen® JT-123-dbx or JT-11-dbx, BCI RE-123-dbx or RE-11-dbx
Operating Voltage 100-120 VAC 50/60 Hz 200-240 VAC 50/60 Hz
Power Consumption 20 Watts
Fuse 100-120 VAC:250 mA Slow Blow, 200-240 VAC:125 mA Type T
Power Connector IEC receptacle
Dimensions 1.75"Hx19"Wx9"D (4.4cmx48.3cmx20.1cm)
Unit Weight 5.1 lbs. (2.3 kg)
Shipping Weight 7.5 lbs. (3.4 kg)

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Package Specifications & Dimensions
Hazardous:No
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:0 in.
Width:0 in.
Height:0 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 032

PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

DBX Professional Logo
Mfr. Name:DBX Professional
Mfr. Part Number:1066